#include <boost/container/map.hpp>
#include <boost/container/flat_map.hpp>
#include <boost/container/vector.hpp>
#include <boost/move/move.hpp>
#include <iostream>

struct Request 
{ 
    Request() {};
    
    //Move semantics...
    Request(BOOST_RV_REF(Request) r) : rvals()  //Move constructor
    {
        rvals.swap(r.rvals);
    };

    Request& operator=(BOOST_RV_REF(Request) r) //Move assignment
    {
        if (this != &r){
            rvals.swap(r.rvals);
        }
        return *this;
    };

    // Values I want to be moved, not copied.
    boost::container::vector<int> rvals;

   private:
    // Mark this class movable but not copyable
    BOOST_MOVABLE_BUT_NOT_COPYABLE(Request)
};

typedef boost::container::flat_map<int, Request> Requests;
//typedef boost::container::map<int, Request> Requests2;

int
main() {
    Requests req;
    std::pair<Requests::iterator, bool> ret = req.insert( Requests::value_type( 7, boost::Request() ) );
    std::cout << "Insert success for req: " << ret.second << std::endl;
    
    //Requests2 req2;
    //std::pair<Requests::iterator, bool> ret2 = req2.insert( Requests2::value_type( 7, Request() ) );
    //std::cout << "Insert success for req2: " << ret2.second << std::endl;

    return 0;
}